On October 2nd, my WeChat Reading membership expired. I didn’t renew. It’s not that I begrudged the money — it’s that every time I used it on my e-ink...

OriginA certain App’s API includes a set of parameters that look very much like signatures (kps_wg, sign_wg, vcode — a style common to Alibaba-family ...

My current phone runs an OS I compiled myself; nearly every app on it was also compiled by me. My computer runs Linux. This isn’t about tinkering for ...

A 38-year-old Chinese man was held at gunpoint, forced across a river, and sold into a telecom-fraud compound in Myanmar. He was held for 79 days; his...

I wasn’t satisfied with either the voice assistant or the media player in my Lynk & Co’s head unit. The most direct reason: listening to my own mu...

The deepest trap in consumer markets has never been shoddy knockoffs. Counterfeits are at least honest: they’re cheap, you know it, they break, you to...

From last year until now, my cumulative token spending on Vibe Coding has exceeded 2,300 yuan, which works out to a monthly average of about 281.88 yu...

I used Alibaba Cloud’s CDN and object storage for roughly ten years. My blog images, videos, and music accumulated over the years all lived in that st...

Last month I did something a little crazy: I fully reverse-engineered the assisted-GPS data pipeline of my sports watch, then used publicly available ...

2026 was probably the hardest, and also the most clear-eyed, year for our little family. In the first half of the year, I lost my job; in the second h...

An SSH client that tunnels through the home network, an AI coding assistant running on a server, and a WeChat-like chat interface — bolt them togethe...

The AI era has genuinely democratized technology, and it may be the one era in which you can hold the initiative in your own hands — in the past, “bu...

Recently I connected an HC-SR04 ultrasonic ranging module to an ESP32, plus an active buzzer, and ran a small “alarm when the distance drops below 10 ...

Over the past few years the experience of all kinds of SaaS products and commercial apps has become increasingly absurd: splash-screen ads, feed ads, ...

I. The Core Thesis: The Law of Blood Pay and the Meta-Rule of How Society RunsIn The Law of Blood Pay: Survival Games in Chinese History, Wu Si tears ...

Starting From a ScreenshotThis morning I came across a video screenshot: The image shows the front desk of a tech company, and the caption is written...

The Pause Brought by a ScreenshotThis morning, scrolling through the Releases page on the FFmpeg website, I saw that the latest stable release of the ...

Recently I wanted to put the dust-collecting ESP32 at home to use, so I hooked up an HC-SR04 ultrasonic ranging module for some simple distance detect...

After getting the ESP32 connected to WiFi and Bluetooth in the previous post, next I want to hook up some sensors to play with. Let’s start with the m...

Today I bought a kit of gear for learning embedded development, ready to pick up something new. First, out of pure interest — I’ve grown tired of just...